Nashville, TN

What the Data Says About BNA

Nashville, TN in Nashville, Tennessee handled 1,046,597 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 80.8% on-time departure rate. Of those flights, 201,312 experienced delays, 12,024 were cancelled, and 1,123 were diverted. The cancellation rate works out to 1.15%, the diversion rate to 0.11%, and the average delay when departures run late is 68.0 minutes. These figures are the baseline for comparing BNA against other airports in the same state and nationally.

Breaking down what drives delays at BNA, Late Aircraft leads the pack. Late Aircraft accounts for 45.5% of total delay minutes, followed by Carrier at 30.2% and NAS (National Aviation System) at 19.7%. Weather contributes 4.5% of delay minutes at this airport, while security holds the smallest share at 0.1%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, September runs the cleanest at BNA with a 92.1% on-time rate, while July is the roughest at 86.6% — a 6-point swing between best and worst month. Volume peaks in October, when average flights hit 16,011. The busiest route from BNA is to BNA (Nashville), with 26,413 flights at a 79% on-time rate. Combine these numbers — 80.8% on-time, 68.0-minute average delay, 1.15% cancellation rate — and you have a concrete picture of departure reliability at Nashville, TN.